Augustine Martinez has jumped from his post as general manager of Spanish-language station KVEA-TV to become G.M. of cross-town rival KMEX-TV.Martinez replaces Michael Martinez (no relation). According to the Univision-owned station, the former G.M. resigned to pursue other business opportunities in Los Angeles. Augustine Martinez joined Telemundo-owned KVEA as station manager from KTTV. He also held various financial and sales positions for the CBS O&Os in L.A. and Philadelphia.